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Squeak when throttle is applied

Jeremy Ecker
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Jeremy Ecker
Jeremy Ecker

I have contacted corporate about this. It is getting on my last nerve. I hate driving around the city or even on the highway and when I go to hit the gas it sounds like a piece of garbage car squeakin

kevaviation30
kevaviation30

With all due respect Patsy G, the dealers aren't helpful at all. I've already refunded my extended warranty because they won't fix anything on my truck unless it's on fire and shooting fireworks into

Jeremy Ecker
Jeremy Ecker

I just noticed one difference between my dads truck and mine. I have the 3.08 rear axle and he has the 3.42. Could that make any sort of huge difference?

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ShamrockShooter Senior Enthusiast

ShamrockShooter

Posted
Posted

They replaced mine once but the rattle came back. So a new one is on order. Supposedly gm made changes recently to help fix the problem. Fingers crossed. If not I will just go back to clamping it open and deal with the slightly louder v4 noise.

racetrk Enthusiast

racetrk

Posted
Posted

My 16 has just under 6k miles and has developed the squeak. Anyone with this issue shouldn't be told to accept it as "normal".

ShamrockShooter Senior Enthusiast

ShamrockShooter

Posted
Posted

I was able to get the actual tsb on safercar.gov but you had to look through a 100 or so pdfs as the didn't really let you search or sort very well.

  • 1 month later...
Lemontree New Member

Lemontree

Posted
Posted

I had the squeak on and off the gas in my 2017 1500. Started at 5k miles. The dealership just replaced the exhaust with a new one but it has no valve at all. Needless to say the noise is gone.

sk Senior Enthusiast

sk

Posted
Posted (edited)

I had the squeak on and off the gas in my 2017 1500. Started at 5k miles. The dealership just replaced the exhaust with a new one but it has no valve at all. Needless to say the noise is gone.

 

If it has no flapper valve you will get a bad "drone" sound when you cruise along in V4 mode (some have compared it to a helicopter hovering over your tailgate). Keep an eye on it and let us know how it goes.

Edited by sk
Lemontree New Member

Lemontree

Posted
Posted

This is a picture of the one they installed under warranty. I put about 500 miles on it and did not notice any drone noise in V4 mode.

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Justin101714 Enthusiast

Justin101714

Posted
Posted

Absolutely a bulletin on this concern. I've replaced tons of these exhaust systems for this problem. You don't have to bring them anything, they should be smart enough to search Service Information and find it. Make them do the leg work.

 

 

Sent from my iPhone using Tapatalk

sk Senior Enthusiast

sk

Posted
Posted (edited)

This is a picture of the one they installed under warranty. I put about 500 miles on it and did not notice any drone noise in V4 mode.

 

That is behind the muffler where the square flapper used to be. Look in front of the muffler. If they installed the new style you will have a round flapper before the inlet to the muffler.

Edited by sk
Lemontree New Member

Lemontree

Posted
Posted

See that. You learn something new every day. I just climbed under it and it's in the front.

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  • 1 month later...
ZeKeef13 Enthusiast

ZeKeef13

Posted
Posted (edited)

Took my 2014 Silverado 1500 into the dealership for this issue. Told them what I have read on this blog. The representative said that his son had the same issue with his 14. Got a call hours later from a different rep and they said they couldn't duplicate the issue. I asked if I could drive and show a mechanic what I am talking about and they said no. That in itself is rediculous! I then went to Home Depot and spent $1.18 on the hardware listed in links above. From the second I started the truck I knew the issue was fixed. Before when you started it would give that same squeak. Went for a drive around the neighborhood and created the same perimeters where I would hear the noise. And to no surprise the noise was gone. I recommend this as a fix.

 

However, my question is has anyone experienced any issue with doing this. Also would you consider this a permanent or temporary fix?

Edited by ZeKeef13
  • 3 years later...

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